system admin

Posted on: 2007-03-30

Lin Liu 845-4710838 [email protected] Summary of Qualifications • IBM Certified AIX 5L Administrator on pSeries • 6+ years of experience in System Administration at large companies such as IBM • 2 years of experience in system testing and evaluation on Unix • 2 years experience in HACMP (Clustering) • Excellent analytical, problem solving, and decision making skills • Detail-oriented, self-motivated work style, proven ability to master new skills quickly. Technical Skills Operating Systems UNIX (AIX5.x, Solaris), Linux, Windows Network Administration & Security TCP/IP, NFS, FTP Application Servers IBM WebSphere Application Server v5 Storage Management SSA, SAN,TSM Databases DB2 Programming / Scripting Languages C, C++ , UNIX shell scripting HA Solution HACMP for AIX Hardware IBM eServer xSeries and pSeries, Partitioning via HMC, hardware connectivity Professional Experience System Administration IBM Oct 2004--- Mar 2007 New York • Building up AIX system environment on pSeries, partitioning via HMC and hardware connectivity • Aix System installation, configuration, upgrade and change management • System monitoring and performance tuning • LVM management • Troubleshooting and close severe 1 problem tickets that are rose by customers • System evaluation and system test for new products • Identifying problems as system administration is performed • Writing up defects for any problems identified • Cover 24x7 on-call for production systems steady state support for e-business and commercial System Engineer IT Company Jun 2001 – Mar 2004 Toronto, Canada System Administrator • AIX/Solaris system administration in clustering environment • Installation, configuration, upgrade and replace failed components • Health checking and troubleshooting • Planning, definition, monitoring and configuring for HACMP • Backup with TSM • Shell scripting for system management • File system, LVM, NFS and user management, back • Backup and restore strategies • System performance monitoring, tuning and maintaining IT Specialist IBM Mar 1999 -- Mar 2001 Beijing, China System Administration • AIX system administration • Design user acceptance solution on AIX • Installation, software upgrading and configuration on Aix with Websphere and Hacmp for showcase • Clustering definition, configuration, planning, monitoring and administering • Replacing failed components, changing shared LVM components/cluster resource • File system, NFS and user management • Backup strategies • Logical volume/volume groups/physical volumes management, mirroring, RAID • System performance monitoring, tuning and maintaining Pre-announced Testing (in Yamato, Japan) • Planning and developing test plans for Cluster (HACMP and MSCS) with fiber channel, ESS, SSA, and 3rd party software on AIX • Installation, configuration and detection/verification the applications and network products • Verify implementation before going to do pre-announce test • Design test case and scenario for Clustering, 3rd party software and hardware • Analyzed problems and help product engineer identify steps to reduce bugs • Execute Functional, Performance, Integration, Regression tests • Develop test specifications and scripts Education Bachelor’s degree in Software Engineering of Computer Science Training Linux Workshop HACMP Installation & Implementation AIX System Administration Solaris System Administration Certificate and References available upon request